diff --git a/runahead/copy_load_info.h b/runahead/copy_load_info.h
index 5671f5b753..fced73a2d6 100644
--- a/runahead/copy_load_info.h
+++ b/runahead/copy_load_info.h
@@ -1,15 +1,17 @@
 #ifndef __COPY_LOAD_INFO_H__
 #define __COPY_LOAD_INFO_H__
 
-#include <retro_common_api.h>
-#include <libretro.h>
 #include <boolean.h>
+#include <libretro.h>
+
+#include <retro_common_api.h>
 
 #include "../core.h"
 
 RETRO_BEGIN_DECLS
 
 void set_load_content_info(const retro_ctx_load_content_info_t *ctx);
+
 void set_last_core_type(enum rarch_core_type type);
 
 RETRO_END_DECLS
diff --git a/runahead/mem_util.h b/runahead/mem_util.h
index aedcea23d3..4ddbe21521 100644
--- a/runahead/mem_util.h
+++ b/runahead/mem_util.h
@@ -4,9 +4,10 @@
 #include <stddef.h>
 #include <string.h>
 
-#include <retro_common_api.h>
 #include <boolean.h>
 
+#include <retro_common_api.h>
+
 #define FREE(xxxx) if ((xxxx) != NULL) { free((void*)(xxxx)); } (xxxx) = NULL
 
 RETRO_BEGIN_DECLS
diff --git a/runahead/mylist.h b/runahead/mylist.h
index cf35333938..1ec3e9c325 100644
--- a/runahead/mylist.h
+++ b/runahead/mylist.h
@@ -1,8 +1,9 @@
 #ifndef __MYLIST_H__
 #define __MYLIST_H__
 
-#include <retro_common_api.h>
+#include <stddef.h>
 #include <boolean.h>
+#include <retro_common_api.h>
 
 RETRO_BEGIN_DECLS
 
@@ -19,11 +20,18 @@ typedef struct MyList_t
 } MyList;
 
 void *mylist_add_element(MyList *list);
+
 void mylist_resize(MyList *list, int newSize, bool runConstructor);
-void mylist_create(MyList **list_p, int initialCapacity, constructor_t constructor, destructor_t destructor);
+
+void mylist_create(MyList **list_p, int initialCapacity,
+      constructor_t constructor, destructor_t destructor);
+
 void mylist_destroy(MyList **list_p);
+
 void mylist_assign(MyList *list, int index, void *value);
+
 void mylist_remove_at(MyList *list, int index);
+
 void mylist_pop_front(MyList *list);
 
 RETRO_END_DECLS
diff --git a/runahead/run_ahead.h b/runahead/run_ahead.h
index f1508dd657..8868ce345b 100644
--- a/runahead/run_ahead.h
+++ b/runahead/run_ahead.h
@@ -1,7 +1,9 @@
 #ifndef __RUN_AHEAD_H__
 #define __RUN_AHEAD_H__
 
+#include <stddef.h>
 #include <boolean.h>
+
 #include <retro_common_api.h>
 
 RETRO_BEGIN_DECLS
diff --git a/runahead/secondary_core.h b/runahead/secondary_core.h
index 324c882c6d..9eb4190d09 100644
--- a/runahead/secondary_core.h
+++ b/runahead/secondary_core.h
@@ -1,9 +1,11 @@
 #ifndef __SECONDARY_CORE_H__
 #define __SECONDARY_CORE_H__
 
-#include <retro_common_api.h>
+#include <stddef.h>
 #include <boolean.h>
 
+#include <retro_common_api.h>
+
 #include "../core_type.h"
 
 RETRO_BEGIN_DECLS